100% Satin Lining, 95% Modal Viscose and 5% Spandex Outer Layer Premium High-Quality Fabric: This satin cap is made of high-quality fabric. The outer layer is soft and the lining is 100% satin, which is a very comfortable, breathable and light-weight fabric. Exquisite fabric, comfortable fit and very versatile. Washing Instructions: Hand wash, hang to dry, warm iron if needed. Preserve and Protect Healthy Hair: Soft satin interior lining helps to retain hair moisture, eliminate breakage during sleep and maintain your beautiful hair. Preserve curly hair while sleep, reduce split ends, tangles and breakage. Retain your hair??s style while sleep. Beautiful and Elegant: More stylish than the traditional bonnet, this design is beautiful and elegant. Perfect gift for men and women with frizzy hair, natural hair, or curly hair. Functional Design: This cap can be worn at night to protect hair, or for a casual look during the day, while maintaining an active lifestyle. May also be helpful for chemo patients with hair loss as well. Excellent Fit: Quality soft elastic band for extraordinary comfort. The soft, flexible, elastic band fits most head sizes. The luxurious fit will keep your hair in place during the night and maintain your hair during the day. We want you to love our product!